Router Limits 100/150/160
1. Double check you're entering the MAC/ID correctly. (Valid numbers for the MAC address range from 0-9, and valid letters range from A-F.)
2. If you still get this error, please contact support as your router may already be registered. Please provide the following information in the email: name, phone number, MAC address and purchase location.
Router Limits Mini
Please see: installing the mini
Other Router Limits Enabled Hardware (Luxul, ReadyNet, TRENDnet, etc)
The device may already be registered. You can check the status of Router Limits in the UI of the hardware. Hard resetting the hardware will provide you with a new pairing code.